Tory nominee Greg Rickford's running in Kenora-Rainy River, and he'd like to limit gas tax increases, if not reduce them.
"It's not just how much your reduce it, it's how much you don't increase. That means you don't put a carbon tax on it," he said.
Voters go to the polls tomorrow across the province, and a new premier is expected to be elected. Kathleen Wynne conceded defeat last weekend.
As far as the NDP are concerned, it's all been a big mistake. New Democrat Glen Archer says the sale of Hydro shares is costing ratepayers.
"Neither Ford nor Wynne will put Hydro One back in public hands. They're still going to go after the profit. That's going to be a big part of your bill," he said.
Reducing the cost of living has been an important issue for candidates this spring.
Liberal Karen Kejick is defending the province's decision to raise money by selling off hydro shares.
"We used our position as the largest shareholder to effect change. Compare that to Doug Ford, who borrows a page from Donald Trump's book by saying he would fire everyone," she said.